NDT
Conventional NDT
Radiography, penetrant, magnetic particle, ultrasonic, and visual testing for welds and components in shop and field — documented to API and ASME standards.
Industry
Terminals
Tank, piping, and structural inspection for storage and distribution terminals.
SIS performs API 653 tank inspections, piping examinations, and structural assessments for crude oil, refined product, and chemical storage terminals across the Gulf Coast and midcontinent. Scopes cover floor scans, shell thickness surveys, and nozzle weld examinations using UT, MT, PT, and VT, with radiography available for new construction and modification welds.
SIS provides NDT inspection for crude oil, refined product, and chemical storage terminals across the Gulf Coast and midcontinent. Our technicians perform API 653 tank inspections, piping examinations, and structural assessments that keep terminal operations compliant and safe.
From floor scans and shell thickness surveys to nozzle weld examinations, we deliver the conventional NDT methods — UT, MT, PT, and VT — required for in-service and out-of-service tank evaluations. Radiographic examination is available for new construction and modification welds.
Our crews work within confined-space and hot-work permit protocols, and every report is delivered in a format that satisfies both owner-operator and regulatory requirements.
Services used
Services this industry relies on
MI
Mechanical Integrity
API 510, 570, and 653 mechanical integrity programs plus STI SP001 and isometric documentation for pressure vessels, piping, and storage tanks.
TANKS
Tank Services
In-service and out-of-service tank inspection, MFL floor mapping, calibrations, and surveys for aboveground storage tanks and terminal assets.
FAQ
Common questions
Does SIS perform API 653 tank inspections?
Yes. SIS performs API 653 tank inspections for in-service and out-of-service evaluations, including floor scans, shell thickness surveys, and nozzle weld examinations.
What NDT methods does SIS use at storage terminals?
SIS delivers UT, MT, PT, and VT for tank and piping evaluations, with radiographic examination available for new construction and modification welds.
Can SIS crews work under terminal permit protocols?
Yes. SIS crews work within confined-space and hot-work permit protocols, and every report is delivered in a format that satisfies both owner-operator and regulatory requirements.
What terminal types does SIS serve?
SIS inspects crude oil, refined product, and chemical storage terminals across the Gulf Coast and midcontinent regions.
Request a quote
Need Terminals on your next scope?
Tell us what you need inspected, where, and by when. We'll reply with scope and availability, usually same business day.